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Develops isolated finger strength, flexibility and co-ordination as it builds hand and forearm strength. With this system, the stronger digits can no longer compensate for the weaker ones and each finger is appropriately challenged on its own spring-loaded button. Calibrated springs provide a quantitative tool for evaluating progress. White plastic rack display set consists of five pocket-sized, colour coded units with graduated resistances. Colour coding helps with quick identification and provides positive reinforcement with advancement from colour to colour. Includes pamphlet illustrating different methods of use.
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